5th grade circulatory system

This organ pumps blood through your body.

• heart

• artery

• vein

• capillaries

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Veins carry oxygen poor blood back to the heart.

• False

• True

Arteries carry oxygen rich blood away from the heart.

• True

• False

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

What does your heart do?

• pumps blood through your body

• protects your body

• helps your exercize

Your heart is about the size of your __________.

• mouth

• fist

• show

Blood carries ____________ to the heart.

• vitamins

• germs

• oxygen

Your heart pumps blood throughout your entire body through little tubes called _____________.

• veins

• arteries

• hoses